Year	Persons
2006-01-01	18400575
2007-01-01	18635450
2008-01-01	18627550
2009-01-01	18491475
2010-01-01	18332725
2011-01-01	18333875
2012-01-01	18481550
2013-01-01	18410375
2014-01-01	18701100
2015-01-01	18631050
2016-01-01	18540700
2017-01-01	18578375